报告的错误
PHPVideoToolkit 错误：执行错误。由于 FFmpeg 返回错误，因此无法对“/home/onevid/public_html/sites/default/files/videos/original/qw_1.mpg”进行编码。错误在于输入文件的视频编解码器。FFmpeg 将错误报告为“打开输出流 #0:0 的编码器时出错 - 可能是不正确的参数，例如 bit_rate、rate、width 或 height”。
执行的命令和输出
/usr/local/bin/ffmpeg -i '/home/onevid/public_html/sites/default/files/videos/original/qw_1.mpg' -vf 'scale=540:360' -strict experimental -vcodec 'h263' -qscale '12' -acodec 'aac' -ac '2' -pass '1' -passlogfile '/tmp/1377530626-521b73028a987-multipass' -y /tmp/1377530626-521b73028a7ea.mp4
ffmpeg version 1.2.2 Copyright (c) 2000-2013 the FFmpeg developers
built on Aug 26 2013 15:10:42 with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-3)
configuration: --disable-yasm
libavutil 52. 18.100 / 52. 18.100
libavcodec 54. 92.100 / 54. 92.100
libavformat 54. 63.104 / 54. 63.104
libavdevice 54. 3.103 / 54. 3.103
libavfilter 3. 42.103 / 3. 42.103
libswscale 2. 2.100 / 2. 2.100
libswresample 0. 17.102 / 0. 17.102
[mpeg @ 0x2e89160] max_analyze_duration 5000000 reached at 5015467 microseconds
Input #0, mpeg, from '/home/onevid/public_html/sites/default/files/videos/original/qw_1.mpg':
Duration: 00:00:14.00, start: 0.011978, bitrate: 3235 kb/s
Stream #0:0[0x1e0]: Video: mpeg2video (Main), yuv420p, 720x480 [SAR 1:1 DAR 3:2], 29.97 fps, 29.97 tbr, 90k tbn, 59.94 tbc
Stream #0:1[0x1c0]: Audio: mp2, 44100 Hz, stereo, s16p, 160 kb/s
Please use -q:a or -q:v, -qscale is ambiguous
[h263 @ 0x2e8b180] The specified picture size of 540x360 is not valid for the H.263 codec.
Valid sizes are 128x96, 176x144, 352x288, 704x576, and 1408x1152. Try H.263+.
Output #0, mp4, to '/tmp/1377530626-521b73028a7ea.mp4':
Stream #0:0: Video: h263, yuv420p, 540x360 [SAR 1:1 DAR 3:2], q=2-31, pass 1, 200 kb/s, 90k tbn, 29.97 tbc
Stream #0:1: Audio: none, 44100 Hz, stereo, fltp, 128 kb/s
Stream mapping:
Stream #0:0 -> #0:0 (mpeg2video -> h263)
Stream #0:1 -> #0:1 (mp2 -> aac)
Error while opening encoder for output stream #0:0 - maybe incorrect parameters such as bit_rate, rate, width or height